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Have Samsung plasma tv that has issue turning on. Get distorted green screen with static noise. Turns self off & on 1-3x to fix. Not source, hdmi, input. Model: PN50A55081F. Can I replace main board?

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Posted on Dec 31, 2016

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SOURCE: sound no picture, which component is tcon board? where all audio/video/cable/hdmi plug in to?

for bn94-00963b go and change your backlight inverter

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SOURCE: Samsung HDMI issue

Have you try to replace your HDMI cable?I recommend you to pick up a good Monster HD700 HDMI cable from a local retail store like best buy or circuit city.In case it isn't the cable problem,you could return it.
However,when you are a using the HDMI cable,it is normally either have both picture and sound or nothing at all.Are you sure you didn't hook up the audio OUTPUT from your TV back to a receiver input?
Or even an optical output from the TV to the receiver?
solutiondoct

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SOURCE: mintex 37 inch wide screen. remote is working however cannot change channel, input source or volum. only turns tv off. The buttone on tv doesnot work connot change input source or volume

Check if the remote is in TV position, that is, because most of the remote controllers have the feature that you can program them for use with another devices. Make shure that one button that says "TV" in pressed and released once before you try to change any function on the TV.

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SOURCE: Samsung 50in Plasma tv picture issues.

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SOURCE: LG 26LC7D LCD TV that turns on, but no pix

Here is a link for the manual - it might help - http://tv.manualsonline.com/manuals/mfg/lg/26lc7d_26lc7dc_32lc4d_42lc4d.html

Posted on Jul 03, 2010

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I have Samsung 58" Plasma model Pn58a550s1f that turns on and off with green lines and makes loud noises. Eventually fixes itself.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
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